InstaNatural Skin Brightening Serum About Product: InstaNatural’s Pro-Radiant Skin Brightening Serum is a blend of brightening ingredients designed to address discoloration and uneven skin tone. Vitamin C and Alpha-Arbutin target hyperpigmentation and visibly reduce the appearance of dark spots, while Hyaluronic Acid and Niacinamide nourish the skin, addressing dehydration, lines and wrinkles.